Wristwatch



FIG. 1 is a top plan view of a wristwatch, showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a bottom plan view thereof, with the closure omitted for easeof illustration;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof.

The ornamental design for a wristwatch, as shown and described.